Which of the following tools should Mike, a technician, use when testing a serial port?（）
- A、Cable tester
- B、Multimeter
- C、Loopback plug
- D、Logic probe
正确答案:C
答案解析:有
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CompTIA认证考试
CompTIA认证考试
Which of the following tools should Mike, a technician, use when testing a serial port?（）
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